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Michigan Air Toxics System
Initial Threshold Screening Level/Initial Risk Screening Level (ITSL/IRSL)
Toxics Screening Level Query Results

The results of your search are displayed below. Click any column heading to sort.
Click here to see descriptions of column headings.
If a number appears in the "notes" column for a given, chemical, see the definition on the bottom of this page.
 
It is possible to cut and paste the table below into a spreadsheet program for further manipulation.

Page 48 of 51 - 1275 record(s) matched your criteria

CAS Number Chemical Name Notes Status ITSL (μg/m3) Averaging Time Second ITSL (μg/m3) Second ITSL Avg Time IRSL
(μg/m3)
SRSL
(μg/m3)
Carc Avg Time
84742 dibutyl phthalate   FINAL 50 8 hr          
85018 phenanthrene   FINAL 0.1 annual          
85449 phthalic anhydride   FINAL 20 annual          
85687 butyl benzyl phthalate   FINAL 700 annual          
86737 fluorene   FINAL 140 annual          
78922 sec-butyl alcohol   FINAL 3000 8 hr          
78933 methyl ethyl ketone   FINAL 5000 24 hr          
78966 monoisopropanolamine   FINAL 15 annual          
78784 2-methyl butane   FINAL 17700 8 hr          
75649 t-butylamine   FINAL 60 annual          
77474 hexachlorocyclopentadiene   FINAL 0.2 annual          
77485 1,3-dibromo-5,5-dimethylhydantoin   FINAL 2 8 hr          
77587 dibutyl tin dilaurate   FINAL 5 8 hr          
77736 dicyclopentadiene   FINAL 1 annual          
77769 2,2-dimethoxypropane   FINAL 0.1 annual          
77781 dimethyl sulfate   FINAL 0.5 8 hr          
77930 triethyl citrate   FINAL 290 annual          
78079 ethyltriethoxysilane   FINAL 44 annual          
78104 ethyl silicate   FINAL 850 8 hr          
78513 Tris (2-butoxyethyl) Phosphate   FINAL 8 annual          
75683 1-chloro-1,1-difluoroethane   FINAL 50000 annual          
75694 trichlorofluoromethane   FINAL 130 annual 56200 1 hr      
75718 dichlorodifluoromethane   FINAL 330 annual 49500 8 hr      
75752 methane sulfonic acid   FINAL 1.4 annual          
75763 tetramethylsilane   FINAL 1300 annual          
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    Notes: For a list of notes which correspond to any numbers which may appear in the “Notes” column above, please follow this link.
https://www.michigan.gov/egle/-/media/Project/Websites/egle/Documents/Programs/AQD/toxics/itsl-irsl-screening-level-footnotes.pdf  

 
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For issues related to ITSL/IRSL database content, contact Doreen Lehner at lehnerD@michigan.gov or (517) 582-3779.


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